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Optical image capturing module

a technology of optical image and module, applied in the direction of camera filter, printer, camera focusing arrangement, etc., can solve the problems of difficult management of assembling and packaging quality of all components, many problems identified but not solved, etc., and achieve the effect of enhancing image quality and reducing the difficulty of light path regulating ability

Active Publication Date: 2019-10-08
ABILITY OPTO ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text discusses the importance of controlling the arc length of a lens's surface within the height of half the entrance pupil diameter to improve its ability to correct aberration and optical path differences between different fields of view. However, the manufacturing process can make it difficult to achieve this. The ratio between the arc length and the lens's thickness is also important, and the text provides examples for different lenses in an optical image capturing module. The technical effect of controlling the arc length and ratio is improved optical performance of the lens and more accurate correction of aberration.

Problems solved by technology

With respect to the assembly of video-recording devices at present, many problems have been identified but not solved yet, especially the video-recording devices with multiple lenses.
Due to the use of multiple lenses, there is a dramatic impact on image quality if an optical axis cannot be accurately aimed at a CMOS active pixel sensor for calibration in the process of assembling and manufacturing image quality.
In addition, even though video-recording devices provide an auto-focus function that can be used when the lens is in motion, the assembling and packaging quality of all components would be difficult to manage owing to the complicated composition of the components of the video recording devices.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

first optical embodiment

The First Optical Embodiment

[0203]As shown in FIG. 21, the fixed-focus lens assembly 230 and the auto-focus lens assembly 240 include six lenses with refractive power, which are a first lens 2411, a second lens 2421, a third lens 2431, a four lens 2441, a fifth lens 2451, and a sixth lens 2461 sequentially displayed from an object side surface to an image side surface. The fixed-focus lens assembly 230 and the auto-focus lens assembly 240 satisfy the following condition: 0.1≤InTL / HOS≤0.95. Specifically, HOS is the distance from an object side surface of the first lens 2411 to the imaging surface on an optical axis. InTL is the distance on the optical axis from an object side surface of the first lens 2411 to an image side surface of the sixth lens 2461.

[0204]Please refer to FIG. 23 and FIG. 24. FIG. 23 is a schematic diagram of the optical image capturing module according to the first optical embodiment of the present invention. FIG. 24 is a curve diagram of spherical aberration, as...

second optical embodiment

The Second Optical Embodiment

[0268]As shown in FIG. 22, the fixed-focus lens assembly 230 and the auto-focus lens assembly 240 may include seven lenses 2401 with refractive power, which are a first lens 2411, a second lens 2421, a third lens 2431, a four lens 2441, a fifth lens 2451, a sixth lens 2461, and a seventh lens 2471 sequentially displayed from an object side surface to an image side surface. The fixed-focus lens assembly and the auto-focus lens assembly satisfy the following condition: 0.1≤InTL / HOS≤0.95. Specifically, HOS is the distance on the optical axis from an object side surface of the first lens 2411 to the image plane; InTL is the distance on the optical axis from an object side surface of the first lens 2411 to an image side surface of the seventh lens 2471.

[0269]Please refer to FIG. 25 and FIG. 26. FIG. 25 is a schematic diagram of the optical image capturing module according to the second optical embodiment of the present invention. FIG. 26 is a curve diagram of...

third optical embodiment

The Third Optical Embodiment

[0288]As shown inFIG. 21, the fixed-focus lens assembly 230 and the auto-focus lens assembly 240 include six lenses 2401 with refractive power, which are a first lens 2411, a second lens 2421, a third lens 2431, a four lens 2441, a fifth lens 2451, and a sixth lens 2461 sequentially displayed from an object side surface to an image side surface. The fixed-focus lens assembly 230 and the auto-focus lens assembly 240 satisfy the following condition: 0.1≤InTL / HOS≤0.95. Specifically, HOS is the distance from an object side surface of the first lens 2411 to the imaging surface on an optical axis. InTL is the distance on the optical axis from an object side surface of the first lens 2411 to an image side surface of the sixth lens 2461.

[0289]Please refer to FIG. 27 and FIG. 28. FIG. 27 is a schematic diagram of the optical image capturing module according to the third optical embodiment of the present invention. FIG. 28 is a curve diagram of spherical aberration...

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PUM

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Abstract

An optical image capturing module is provided, including a circuit assembly and a lens assembly. The circuit assembly may include a circuit substrate, a plurality of image sensor elements, a plurality of signal transmission elements, and a multi-lens frame. The image sensor elements may be connected to the circuit substrate. The signal transmission elements may be electrically connected between the circuit substrate and the image sensor elements. The multi-lens frame may be manufactured integrally and covered on the circuit substrate and the image sensor elements. A part of the signal transmission elements may be embedded in the multi-lens frame, whereas the other part may be surrounded by the multi-lens frame. The lens assembly may include a lens base, a fixed-focus lens assembly, an auto-focus lens assembly, and a driving assembly. The lens base may be fixed to a multi-lens frame.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application claims priority from Taiwan Patent Application No. 107128666, filed on Aug. 16, 2018, in the Taiwan Intellectual Property Office, the content of which is hereby incorporated by reference in its entirety for all purposes.BACKGROUND OF THE INVENTION1. Field of the Invention[0002]The present invention relates to an optical image capturing module, more particularly to an optical image capturing module which provides a fixed-focus lens assembly and an auto-focus lens assembly, has a multi-lens frame manufactured integrally, and embeds a part of the signal transmission elements in the multi-lens frame.2. Description of the Related Art[0003]With respect to the assembly of video-recording devices at present, many problems have been identified but not solved yet, especially the video-recording devices with multiple lenses. Due to the use of multiple lenses, there is a dramatic impact on image quality if an optical axis cannot be ac...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): G02B7/02G02B7/00G02B9/60G02B9/62G02B9/64G03B13/36G02B9/34G03B11/00G02B5/20H04N5/225G02B7/09H04N9/04G03B17/12G03B30/00
CPCG03B11/00H04N5/2258H04N5/2254G02B9/64G02B7/021G02B9/62G02B7/09G02B9/34G02B5/208G02B7/006G03B13/36G02B9/60H04N5/2253H04N9/045G02B13/0045G03B17/12H04N23/50H04N23/54H04N23/57H04N23/55H04N23/10G02B13/0035G02B13/004G03B3/02H04N23/45
Inventor CHANG, YEONG-MINGLAI, CHIEN-HSUNLIU, YAO-WEI
Owner ABILITY OPTO ELECTRONICS TECH
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